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**1. A city has 74,806 registered automobiles. Each is required to display a bumper decal showing that the owner paid an annual wheel tax of $50. By law, new decals needed to be purchased during the month of the owner’s birthday. How much wheel tax revenue can the city expect to receive in November?**

**2. expected value = E(X) = summation(x*f(x))**

Leibnitz's rule

Leibnitz's rule

**3. I thought there was not enough information in the problem. Can we assume that people are equally likely to be born in the different months of the year?**

Anyway, all I have is E(X) = (74,506*50)*1/12

where the part in parenthesis is x and 1/12 is the probability function

(not sure).

Anyway, all I have is E(X) = (74,506*50)*1/12

where the part in parenthesis is x and 1/12 is the probability function

(not sure).